Fos·sil<span>ˈfäsəl/</span>nounthe remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
so B
More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described.
Birds, unlike mammals, do not have separate exits for urine and feces. Both waste products are eliminated simultaneously through the cloaca. While mammals excrete nitrogenous wastes mostly in the form of urea, birds convert it to uric acid or guanine, which reduces water loss in comparison.
1. Reduced production of waste materials
2. Increased reuse of older materials
3. Use more renewable sources of energy
4. Decrease the rate of fires through alternate means of warmth
5. Burn down less forests and find better means of farming
Answer: A new study in the journal Biotechnology for Biofuels has found that those wasted watermelons could be turned into up to 2.5 million gallons of ethanol. It turns out that watermelon juice is a great base to make ethanol from -- it's full of sugar and yeast-friendly amino acids.
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